Mark Lenard

Mark Lenard (October 15, 1924 – November 22, 1996) is an American actor, primarily in television. He is best known as the actor who played Spock's father Sarek in Star Trek. Lenard was one of the few actors to appear in more than one Star Trek series, and one of the very few to play more than one character. He played the first Romulan seen on the show, and the first Klingon with a bumpy forehead.